arrayconvertertestcase.java

这是一个有关common beanutils 的源码

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ 
package org.apache.commons.beanutils.converters;

import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Locale;

import org.apache.commons.beanutils.ConversionException;

import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Test Case for the ArrayConverter class.
 *
 * @version $Revision: 618207 $ $Date: 2008-02-04 08:55:29 +0000 (Mon, 04 Feb 2008) $
 */
public class ArrayConverterTestCase extends TestCase {

    /**
     * Construct a new Array Converter test case.
     * @param name Test Name
     */
    public ArrayConverterTestCase(String name) {
        super(name);
    }
    
    // ------------------------------------------------------------------------

    /**
     * Create Test Suite
     * @return test suite
     */
    public static TestSuite suite() {
        return new TestSuite(ArrayConverterTestCase.class);        
    }

    /** Set Up */
    public void setUp() throws Exception {
    }

    /** Tear Down */
    public void tearDown() throws Exception {
    }


    // ------------------------------------------------------------------------

    /**
     * Test Converting using the IntegerConverter as the component Converter
     */
    public void testComponentIntegerConverter() {

        IntegerConverter intConverter = new IntegerConverter(new Integer(0));
        intConverter.setPattern("#,###");
        intConverter.setLocale(Locale.US);
        ArrayConverter arrayConverter = new ArrayConverter(int[].class, intConverter, 0);
        arrayConverter.setAllowedChars(new char[] {',', '-'});
        arrayConverter.setDelimiter(';');

        // Expected results
        int[]     intArray     = new int[] {1111, 2222, 3333, 4444};
        String    stringA      = "1,111; 2,222; 3,333; 4,444";
        String    stringB      = intArray[0]+ ";" + intArray[1] + ";" + intArray[2] + ";" +intArray[3];
        String[]  strArray     = new String[] {""+intArray[0], ""+intArray[1], ""+intArray[2], ""+intArray[3]};
        long[]    longArray    = new long[] {intArray[0], intArray[1], intArray[2], intArray[3]};
        Long[]    LONGArray    = new Long[]    {new Long(intArray[0]),    new Long(intArray[1]),    new Long(intArray[2]),    new Long(intArray[3])};
        Integer[] IntegerArray = new Integer[] {new Integer(intArray[0]), new Integer(intArray[1]), new Integer(intArray[2]), new Integer(intArray[3])};
        ArrayList strList = new ArrayList();
        ArrayList longList = new ArrayList();
        for (int i = 0; i < strArray.length; i++) {
            strList.add(strArray[i]);
            longList.add(LONGArray[i]);
        }

        
        String msg = null;

        // String --> int[]
        try {
            msg = "String --> int[]";
            checkArray(msg, intArray, arrayConverter.convert(int[].class, stringA));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // String --> int[] (with braces)
        try {
            msg = "String --> Integer[] (with braces)";
            checkArray(msg, IntegerArray, arrayConverter.convert(Integer[].class, "{" + stringA + "}"));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // String[] --> int[]
        try {
            msg = "String[] --> int[]";
            checkArray(msg, intArray, arrayConverter.convert(int[].class, strArray));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // String[] --> Integer[]
        try {
            msg = "String[] --> Integer[]";
            checkArray(msg, IntegerArray, arrayConverter.convert(Integer[].class, strArray));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // long[] --> int[]
        try {
            msg = "long[] --> int[]";
            checkArray(msg, intArray, arrayConverter.convert(int[].class, longArray));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // Long --> int[]
        try {
            msg = "Long --> int[]";
            checkArray(msg, new int[] {LONGArray[0].intValue()}, arrayConverter.convert(int[].class, LONGArray[0]));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // LONG[] --> int[]
        try {
            msg = "LONG[] --> int[]";
            checkArray(msg, intArray, arrayConverter.convert(int[].class, LONGArray));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // Long --> String
        try {
            msg = "Long --> String";
            assertEquals(msg, LONGArray[0] + "", arrayConverter.convert(String.class, LONGArray[0]));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // LONG[] --> String (first)
        try {
            msg = "LONG[] --> String (first)";
            assertEquals(msg, LONGArray[0] + "", arrayConverter.convert(String.class, LONGArray));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // LONG[] --> String (all)
        try {
            msg = "LONG[] --> String (all)";
            arrayConverter.setOnlyFirstToString(false);
            assertEquals(msg, stringB, arrayConverter.convert(String.class, LONGArray));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // Collection of Long --> String
        try {
            msg = "Collection of Long --> String";
            assertEquals(msg, stringB, arrayConverter.convert(String.class, longList));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // LONG[] --> String[]
        try {
            msg = "long[] --> String[]";
            checkArray(msg, strArray, arrayConverter.convert(String[].class, LONGArray));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // Collection of String --> Integer[]
        try {
            msg = "Collection of String --> Integer[]";
            checkArray(msg, IntegerArray, arrayConverter.convert(Integer[].class, strList));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }

        // Collection of Long --> int[]
        try {
            msg = "Collection of Long --> int[]";
            checkArray(msg, intArray, arrayConverter.convert(int[].class, longList));
        } catch (Exception e) {
            fail(msg + " failed " + e);
        }
    }